Ethyl 6-(chloromethyl)-2-methyl-3-(trifluoromethoxy)pyridine-4-carboxylate
6-(Fluoromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine
Methyl 2,5-difluoro-3-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 4,6-difluoro-3-(trifluoromethoxy)pyridine-2-carboxylate